Backend
5 phases90-Day Backend Engineering Roadmap
🎯 Frontend → Backend transition roadmap. 90 days. 5 phases. Production-grade systems thinking.
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Pick a path that matches your goal — backend fundamentals, system design, mobile, DevOps & cloud, blockchain, quant, or deep technical notes. Each roadmap opens with its own focused navigation.
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8 phasesStorage Engineering Interview Roadmap — 120 Days
From software engineer to storage/distributed-systems engineer. This roadmap is built specifically for roles at companies like Pure Storage, Cohesity, Rubrik, N
🗓️🗓️ All 120 Days Referen🎯Phase 8· D106–120⚡Phase 7· D91–105⚙️Phase 6· D76–90🌐Phase 4· D46–60+3 more
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10 phasesAndroid Interview Prep Hub
A comprehensive Android + Kotlin interview preparation wiki, compiled from multiple expert sources. Organized by topic and difficulty level.
📋📋 Important Topics Chec🌐🌐 Kotlin Multiplatform ⚙️⚙️ Performance & Memory🧪🧪 Testing💉💉 Dependency Injection +5 more
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7 phasesAOSP Learning Roadmap
Goal: Go from Android app developer → AOSP contributor / platform engineer who understands Android internals deeply.
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5 phases90-Day HLD Roadmap — High-Level System Design
🏗️ Frontend → Systems Engineer transition. 90 days. 5 phases. High-Level Design mastery from first principles to staff-engineer level.
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6 phases90-Day DSA Roadmap — Beginner to Advanced
From array basics to advanced dynamic programming and graph algorithms. A structured, daily-practice roadmap with patterns, problems, code templates, and the ex
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6 phases90-Day AI / LLM Engineering Roadmap — Beginner to Advanced
From Python/math foundations to building and deploying production LLM systems. A structured, daily-practice roadmap covering classical ML, deep learning, transf
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5 phases90-Day Android/Kotlin/KMP Roadmap
📦 Frontend → Android/KMP Engineer transition. 90 days. 5 phases. From Kotlin basics to production-grade Kotlin Multiplatform apps.
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5 phasesBlockchain Developer Roadmap — Beginner to Advanced
⛓️ Zero to production blockchain engineer. From how Bitcoin works to deploying DeFi protocols, writing audited smart contracts, and building full-stack dApps.
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4 phases30-Day AWS + Floci Roadmap — Go Backend Engineer
☁️ Learn every major AWS service hands-on using Floci — a free, zero-auth local AWS emulator. No cloud bills. No credential setup. Real AWS SDK calls. Aligned w
🏗️Week 4 — Infrastructure · D22–30📊Week 3 — Data & Streams · D15–21⚡Week 2 — Compute & APIs · D8–14🗃️Week 1 — Storage & Messa· D1–7
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6 phasesKotlin Multiplatform (KMP) — Complete Roadmap
🌐 One Kotlin codebase. Android. iOS. Desktop. Web. From KMP project setup to production-grade shared logic, Compose Multiplatform UI, iOS interop with SKIE, an
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4 phases30-Day Docker + Kubernetes Roadmap
🐳 From zero to production-grade container orchestration. Docker internals, Kubernetes architecture, Helm, Istio, ArgoCD, Prometheus, Grafana, and the full clou
🚀Week 4 — Production Tool· D22–30📦Week 3 — Advanced Kubern· D15–21📦Week 2 — Kubernetes Core· D8–14🐳Week 1 — Docker Mastery · D1–7
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5 phasesQuant Analyst Roadmap — Beginner to Advanced
📈 From statistics fundamentals to building production trading systems. Math, programming, financial markets, derivatives pricing, statistical/ML models, backte
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Phase 1 — Networking & OS Fundamentals
Goal: Backend code likhne se pehle samajhna hai ki computers aur networks actually communicate kaise karte hain. Latency, reliability, security — sab kuch in fu
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Phase 2 — Go, API Design & Auth
Goal: Go seekho as primary backend language, professional-level API design karo, aur secure auth systems banao — DPoP tak, jo most senior engineers ko bhi nahi
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Phase 3 — Databases & Distributed Systems
Goal: Samjho ki data kahan rehta hai, databases internally kaise kaam karte hain, aur distributed systems guarantees kaise dete hain — ya nahi dete. Yahi woh ja
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7 phasesPhase 2 Advanced — Go, API & Auth
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01 advanced go patterns02 api design at scale03 grpc deep dive04 websockets realtime05 api security hardenin+2 more
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10 phasesPhase 4 — Infrastructure & DevOps
Mental Model: "Service jo laptop pe kaam karta hai woh product nahi hai. Infrastructure woh bridge hai jo code aur reliability ke beech hota hai. Har decision —
01 load balancing l4 l702 reverse proxy api gat03 vpc cloud networking04 docker internals05 kubernetes core+5 more
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8 phasesDistributed Systems — Production Playbook
Context: Tum ek staff engineer ho. Tumhare system pe 50 million monthly active users hain. Peak pe 200K+ requests/second aate hain. Yeh notes woh sab cover kart
01 load balancing at sca02 caching strategies03 service discovery mes04 observability product05 failure handling resi+3 more
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13 phasesGo Standard Library Notes
Deep-dive notes on Go's build system, runtime, and standard library — written in Hinglish for backend engineers.
01 go build toolchainRuntime & Memory ManagemConcurrency & SynchronizOS & I/O OperationsNetwork & HTTP+8 more
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5 phases90-Day LLD Roadmap — Low-Level System Design
🧩 Frontend → Systems Engineer transition. 90 days. 5 phases. Low-Level Design mastery from OOP fundamentals to production-grade class architecture.
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